wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

A carnot engine, whose efficiency is 40% takes in heat from a source maintained at a temperature of 500 K. It is desired to have an engine of efficiency 60%. Then, the intake temperature for the same exhaust (sink) must be

A
efficiency of carnot engine cannot be made larger than 50%
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
1200 K
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
750 K
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
600 K
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C 750 K
Let the sink temperature be Ts, then
1Ts500=0.4 Ts=300 K
For second case, 1300T=0.6
T=3000.4=750 K

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Thermodynamic Devices
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon